Note 3 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Note 3 - Summary of Significant Accounting Policies (Tables) [Line Items]

Property, Plant and Equipment [Table Text Block]

	December 31, 2013			December 31, 2012
PV solar systems	$	14,852		$	20,783
Plant and machinery		33			33
Furniture, fixtures and equipment		269			388
Computers and software		1,153			1,499
Trucks		-			44
Leasehold improvements		4			96
		16,311			22,843
Less: accumulated depreciation		(4,559	)		(4,089	)
	$	11,752		$	18,754

Allowance for Credit Losses on Financing Receivables [Table Text Block]

	December 31, 2013			December 31, 2012
Beginning balance	$	393		$	115
Provision for doubtful accounts		9,303			375
Write-offs		(3,809	)		(97	)
	$	5,887		$	393

Estimated Useful Lives [Member]

Note 3 - Summary of Significant Accounting Policies (Tables) [Line Items]

Property, Plant and Equipment [Table Text Block]

Machinery (years)		5
Furniture, fixtures and equipment (years)		5
Computers and software (years)	3	—	5
Equipment acquired under capital leases (years)	3	—	5
Trucks (years)		3
Leasehold improvements	The shorter of the estimated life or the lease term
Solar energy facilities (years)		20